Payment overview · 2025
General Payments
We did not find matching Open Payments records for this doctor in the selected program year.
Healthcare provider profile · identity verified
George Czajkowski, M.D.
Internal Medicine · CHICAGO, IL · NPI 1821021007
Verified facts
What the public records show
We did not find matching Open Payments records for this doctor in 2025.
These records do not establish that a payment influenced prescribing or medical care.
Separate record types
Research & Ownership
Research Payments (direct recipient): not present in the loaded data
Associated Research Funding (for example, named PI): not present in the loaded data
Ownership / Investment: not present in the loaded data
These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.
Analysis 1 · Payment-linked products
Products named in Open Payments records
No payment-linked product analysis is available because no matching General Payment records were found for the selected year.
Public prescribing for products named in payments
There is no explicit payment-product set available for a Part D comparison.
The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.
Analysis 2 · Same-company prescribing overlap
Drugs reported in other payments from the same company that also appear in Medicare Part D
This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.
There is no payer-company set available for this comparison.
These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.
Public Medicare Part D data
Provider-and-drug rows loaded for 2024
| Brand | Generic | Claims | Beneficiaries |
|---|---|---|---|
| Atorvastatin Calcium | Atorvastatin Calcium | 840 | 252 |
| Lisinopril | Lisinopril | 552 | 166 |
| Amlodipine Besylate | Amlodipine Besylate | 487 | 136 |
| Metformin Hcl | Metformin Hcl | 343 | 116 |
| Metoprolol Succinate | Metoprolol Succinate | 329 | 105 |
| Losartan Potassium | Losartan Potassium | 309 | 91 |
| Levothyroxine Sodium | Levothyroxine Sodium | 303 | 88 |
| Tamsulosin Hcl | Tamsulosin Hcl | 253 | 80 |
| Hydrochlorothiazide | Hydrochlorothiazide | 235 | 78 |
| Gabapentin | Gabapentin | 199 | 50 |
| Omeprazole | Omeprazole | 189 | 64 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 183 | 66 |
| Jardiance | Empagliflozin | 175 | 37 |
| Pantoprazole Sodium | Pantoprazole Sodium | 165 | 51 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 162 | 23 |
| Furosemide | Furosemide | 138 | 45 |
| Eliquis | Apixaban | 137 | 31 |
| Ezetimibe | Ezetimibe | 124 | 39 |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 123 | 48 |
| Carvedilol | Carvedilol | 113 | 36 |
| Simvastatin | Simvastatin | 110 | 32 |
| Alendronate Sodium | Alendronate Sodium | 108 | 32 |
| Montelukast Sodium | Montelukast Sodium | 103 | 33 |
| Fluticasone Propionate | Fluticasone Propionate | 100 | 45 |
| Lantus Solostar | Insulin Glargine,hum.Rec.Anlog | 95 | 30 |
| Glimepiride | Glimepiride | 91 | 23 |
| Warfarin Sodium | Warfarin Sodium | 91 | 20 |
| Enalapril Maleate | Enalapril Maleate | 85 | 24 |
| Hydralazine Hcl | Hydralazine Hcl | 83 | 24 |
| Triamcinolone Acetonide | Triamcinolone Acetonide | 83 | 43 |
| Allopurinol | Allopurinol | 80 | 26 |
| Naproxen | Naproxen | 79 | 32 |
| Metoprolol Tartrate | Metoprolol Tartrate | 73 | 25 |
| Glipizide | Glipizide | 72 | 24 |
| Alprazolam | Alprazolam | 71 | 19 |
| Zolpidem Tartrate | Zolpidem Tartrate | 71 | 12 |
| Tramadol Hcl | Tramadol Hcl | 70 | 12 |
| Pravastatin Sodium | Pravastatin Sodium | 61 | 18 |
| Sertraline Hcl | Sertraline Hcl | 61 | 24 |
| Duloxetine Hcl | Duloxetine Hcl | 59 | 18 |
| Clopidogrel | Clopidogrel Bisulfate | 58 | 19 |
| Rybelsus | Semaglutide | 56 | suppressed |
| Trazodone Hcl | Trazodone Hcl | 55 | 19 |
| Finasteride | Finasteride | 52 | 22 |
| Benazepril Hcl | Benazepril Hcl | 50 | 11 |
| Prednisone | Prednisone | 50 | 26 |
| Metformin Hcl Er | Metformin Hcl | 49 | 16 |
| Xarelto | Rivaroxaban | 48 | 11 |
| Trelegy Ellipta | Fluticasone/Umeclidin/Vilanter | 47 | suppressed |
| Famotidine | Famotidine | 46 | 19 |
| Lovastatin | Lovastatin | 45 | 12 |
| Vascepa | Icosapent Ethyl | 44 | suppressed |
| Spironolactone | Spironolactone | 41 | 12 |
| Azithromycin | Azithromycin | 38 | 29 |
| Pioglitazone Hcl | Pioglitazone Hcl | 38 | suppressed |
| Buspirone Hcl | Buspirone Hcl | 37 | 16 |
| Ropinirole Hcl | Ropinirole Hcl | 37 | 11 |
| Januvia | Sitagliptin Phosphate | 36 | 12 |
| Escitalopram Oxalate | Escitalopram Oxalate | 32 | 12 |
| Ozempic | Semaglutide | 32 | suppressed |
| Wixela Inhub | Fluticasone Propion/Salmeterol | 32 | suppressed |
| Celecoxib | Celecoxib | 31 | suppressed |
| Lisinopril-Hydrochlorothiazide | Lisinopril/Hydrochlorothiazide | 30 | 11 |
| Meloxicam | Meloxicam | 30 | suppressed |
| Potassium Chloride | Potassium Chloride | 30 | suppressed |
| Ondansetron Hcl | Ondansetron Hcl | 29 | suppressed |
| Pregabalin | Pregabalin | 29 | suppressed |
| Baclofen | Baclofen | 28 | suppressed |
| Clonazepam | Clonazepam | 28 | suppressed |
| Glipizide Er | Glipizide | 28 | 12 |
| Incruse Ellipta | Umeclidinium Bromide | 28 | suppressed |
| Amoxicillin-Clavulanate Potass | Amoxicillin/Potassium Clav | 27 | 20 |
| Combivent Respimat | Ipratropium/Albuterol Sulfate | 27 | suppressed |
| Hydrocortisone | Hydrocortisone | 27 | suppressed |
| Losartan-Hydrochlorothiazide | Losartan/Hydrochlorothiazide | 27 | suppressed |
| Ultra-Fine Short Pen Needle | Pen Needle, Diabetic | 27 | suppressed |
| Cyclobenzaprine Hcl | Cyclobenzaprine Hcl | 26 | suppressed |
| Ibuprofen | Ibuprofen | 26 | suppressed |
| Nifedipine Er | Nifedipine | 26 | suppressed |
| Diclofenac Sodium | Diclofenac Sodium | 25 | 17 |
| Tizanidine Hcl | Tizanidine Hcl | 25 | suppressed |
| Breo Ellipta | Fluticasone/Vilanterol | 24 | suppressed |
| Diltiazem 24hr Er (Cd) | Diltiazem Hcl | 24 | suppressed |
| Droplet Pen Needle | Pen Needle, Diabetic | 24 | suppressed |
| Fenofibrate | Fenofibrate | 24 | suppressed |
| Fluticasone-Salmeterol | Fluticasone Propion/Salmeterol | 24 | suppressed |
| Insulin Aspart Flexpen | Insulin Aspart | 24 | suppressed |
| Solifenacin Succinate | Solifenacin Succinate | 24 | suppressed |
| Doxepin Hcl | Doxepin Hcl | 23 | suppressed |
| Lorazepam | Lorazepam | 23 | suppressed |
| Meclizine Hcl | Meclizine Hcl | 23 | suppressed |
| Novolog Flexpen | Insulin Aspart | 23 | suppressed |
| Alfuzosin Hcl Er | Alfuzosin Hcl | 22 | suppressed |
| Dropsafe Prep Pads | Alcohol Antiseptic Pads | 22 | suppressed |
| Diazepam | Diazepam | 21 | suppressed |
| Propranolol Hcl | Propranolol Hcl | 21 | suppressed |
| Venlafaxine Hcl Er | Venlafaxine Hcl | 21 | suppressed |
| Bupropion Xl | Bupropion Hcl | 20 | suppressed |
| Fluoxetine Hcl | Fluoxetine Hcl | 19 | suppressed |
| Irbesartan | Irbesartan | 19 | suppressed |
| Triamterene-Hydrochlorothiazid | Triamterene/Hydrochlorothiazid | 19 | suppressed |
| Valacyclovir | Valacyclovir Hcl | 19 | suppressed |
| Valsartan | Valsartan | 19 | suppressed |
| Amitriptyline Hcl | Amitriptyline Hcl | 18 | suppressed |
| Novolin 70-30 | Insulin Nph Hum/Reg Insulin Hm | 18 | suppressed |
| Ventolin Hfa | Albuterol Sulfate | 18 | 11 |
| Wegovy | Semaglutide | 18 | suppressed |
| Chlorthalidone | Chlorthalidone | 17 | suppressed |
| Lantus | Insulin Glargine,hum.Rec.Anlog | 17 | suppressed |
| Memantine Hcl | Memantine Hcl | 17 | suppressed |
| Nano 2nd Gen Pen Needle | Pen Needle, Diabetic | 17 | suppressed |
| Donepezil Hcl | Donepezil Hcl | 16 | suppressed |
| Humalog Kwikpen U-100 | Insulin Lispro | 16 | suppressed |
| Bupropion Hcl Sr | Bupropion Hcl | 15 | suppressed |
| Clonidine Hcl | Clonidine Hcl | 15 | suppressed |
| Doxycycline Hyclate | Doxycycline Hyclate | 15 | suppressed |
| Ipratropium Bromide | Ipratropium Bromide | 15 | suppressed |
| Symbicort | Budesonide/Formoterol Fumarate | 15 | suppressed |
| Esomeprazole Magnesium | Esomeprazole Magnesium | 14 | suppressed |
| Myrbetriq | Mirabegron | 14 | suppressed |
| Sildenafil Citrate | Sildenafil Citrate | 14 | suppressed |
| Atenolol | Atenolol | 13 | suppressed |
| Citalopram Hbr | Citalopram Hydrobromide | 13 | suppressed |
| Clotrimazole-Betamethasone | Clotrimazole/Betamethasone Dip | 13 | suppressed |
| Enoxaparin Sodium | Enoxaparin Sodium | 13 | suppressed |
| Isosorbide Mononitrate Er | Isosorbide Mononitrate | 13 | suppressed |
| Paroxetine Hcl | Paroxetine Hcl | 13 | suppressed |
| Phenobarbital | Phenobarbital | 13 | suppressed |
| Torsemide | Torsemide | 13 | suppressed |
| Acarbose | Acarbose | 12 | suppressed |
| Amlodipine Besylate-Benazepril | Amlodipine Besylate/Benazepril | 12 | suppressed |
| Biktarvy | Bictegrav/Emtricit/Tenofov Ala | 12 | suppressed |
| Bupropion Hcl | Bupropion Hcl | 12 | suppressed |
| Febuxostat | Febuxostat | 12 | suppressed |
| Methimazole | Methimazole | 12 | suppressed |
| Oxycodone Hcl | Oxycodone Hcl | 12 | suppressed |
| Temazepam | Temazepam | 12 | suppressed |
| Amiodarone Hcl | Amiodarone Hcl | 11 | suppressed |
| Azelastine Hcl | Azelastine Hcl | 11 | suppressed |
| Basaglar Kwikpen U-100 | Insulin Glargine,hum.Rec.Anlog | 11 | suppressed |
| Fenofibrate | Fenofibrate,micronized | 11 | suppressed |
| Lacosamide | Lacosamide | 11 | suppressed |
| Lagevrio (Eua) | Molnupiravir | 11 | 11 |
| Oxybutynin Chloride | Oxybutynin Chloride | 11 | suppressed |
| Phenytoin Sodium Extended | Phenytoin Sodium Extended | 11 | suppressed |
| Tiotropium Bromide | Tiotropium Bromide | 11 | suppressed |
| Topiramate | Topiramate | 11 | suppressed |
| Ultra-Fine Mini Pen Needle | Pen Needle, Diabetic | 11 | suppressed |
Timeline
Payment and prescribing data by year
Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.
| Year | General Payments | Main payer | Explicit products | Company overlaps | Part D coverage |
|---|---|---|---|---|---|
| 2025 | — | — | — | — | — |
| 2024 | — | — | — | — | Complete |
Questions to ask
Questions you could discuss with your doctor
- Are there reasonable alternatives I should understand when we discuss treatment options?
- How should I interpret the industry-payment records shown here in the context of my care?
These are general questions generated from reviewed templates. They are not personalized medical advice.
Sources and limitations
How to read this page
- Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
- Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
- Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
- Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
- When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.
Loaded source releases
| Dataset | Year | Publication | Source |
|---|---|---|---|
| CMS Open Payments — General Payments | 2025 | 2026-06-30 | Original source |
| Medicare Part D Prescribers by Provider and Drug | 2024 | 2026-05-06 | Original source |
| NPPES Data Dissemination V2 | current / reference data | 2026-08-10 | Original source |
Full methodology · Questions & answers · Report a possible error